Jan: 

This is what I got  from fdio jenkins server (i did the tests with 
10.30.{52,53}.2 hosts: 

$ ip ro get 10.30.52.2
10.30.52.2 via 10.30.48.1 dev eth0  src 10.30.48.5
    cache

The traffic is going directly through neutron router.. so we don't block any 
traffic on our firewall

$ ping -q -c4 10.30.52.2
PING 10.30.52.2 (10.30.52.2) 56(84) bytes of data.

--- 10.30.52.2 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3001ms
rtt min/avg/max/mdev = 0.496/0.789/1.509/0.419 ms

I was able to reach the host in 10.30.52.0/24 network from jenkins server 

$ nc -nv 10.30.52.2 22
Ncat: Version 6.40 ( http://nmap.org/ncat )
Ncat: Connection refused.

Looks like access is blocked there. Could you check your local firewall setting 
and make sure you allow port 22/tcp ?

The above is also true for 10.30.{53,54}.0/24 subnets

Regards,

On Tue Jun 20 10:51:15 2017, jgel...@cisco.com wrote:
> Hello Vanessa,
> 
> Thanks for the info.
> 
> Just few remarks:
> 
> 1. virl1 (10.30.51.28) - nodes of simulations started there are using
> subnet 10.30.52.0/24 and we are experiencing ssh timeouts in this
> subnet
> 
> 2. virl2 (10.30.51.29) -  nodes of simulations started there were
> using subnet 10.30.53.0/24 and we were experiencing ssh timeouts in
> this subnet;
>                                      -  at the moment we switched the
> subnet back to 10.30.51.0/24 and assigned there IP pool 10.30.51.106 -
> 10.30.51.180
>                                      - new tests started - let you
> know the result tomorrow
> 
> 3. virl3 (10.30.51.30) - nodes of simulations started there were using
> subnet 10.30.51.0/24 and IP pool is set to 10.30.51.181 - 10.30.51.254
> and we didn't experience ssh timeouts in this subnet;
> 
> 
> So would it be possible to check routes for subnets 10.30.52.0/24,
> 10.30.53.0/24 and also for 10.30.54.0/24 (that is planned for vilr3
> when it will be upgraded)?
> 
> Thank you very much.
> 
> Regards,
> Jan
> 
> -----Original Message-----
>  From: Vanessa Valderrama via RT [mailto:fdio-
> helpd...@rt.linuxfoundation.org]
> Sent: Friday, June 16, 2017 22:01
> To: Jan Gelety -X (jgelety - PANTHEON TECHNOLOGIES at Cisco)
> <jgel...@cisco.com>
> Cc: csit-...@lists.fd.io; vpp-dev@lists.fd.io
> Subject: [FD.io Helpdesk #41921] connection interruptiones between
> jenkins executor and VIRL servers
> 
> We did have the vendor run MTRs.  I've attached the results.
> 
> On Fri Jun 16 15:36:16 2017, valderrv wrote:
> > Jan,
> >
> > I missed this conversation with abranov.  Can this issue be resolved?
> >
> > <snip>
> >    <jgelety> abranov: unfortunatley I had no time to check test logs
> >  from last test cases before (because of meeting so I just had a look
> >  to console output) and I found out that ssh failures are not related
> >  to connection between jenkins and virl now (but it was this issue at
> > the time I wrote the e-mail).
> >  <mnaser> [11:04:06]  <jgelety> They are related to start up pf
> > nested
> > VM now - so I will ask VIRL support for the help here.
> > </snip>
> >
> > Thank you,
> > Vanessa
> >
> > On Fri Jun 16 12:12:43 2017, valderrv wrote:
> > > Jan,
> > >
> > > We are looking into this issue.
> > >
> > > Thank you,
> > > Vanessa
> > >
> > > On Fri Jun 16 09:12:55 2017, jgel...@cisco.com wrote:
> > > > Hello Anton,
> > > >
> > > > Unfortunately we are still having issues with ssh connection
> > > > timeouts during tests on virl. Could you, please, have a look on
> > > > it?
> > > >
> > > > Thank you very much.
> > > > Regards,
> > > > Jan
> > > >
> > > > -----Original Message-----
> > > >   From: Anton Baranov via RT [mailto:fdio-
> > > > helpd...@rt.linuxfoundation.org]
> > > > Sent: Wednesday, June 14, 2017 15:45
> > > >  To: Jan Gelety -X (jgelety - PANTHEON TECHNOLOGIES at Cisco)
> > > > <jgel...@cisco.com>
> > > > Cc: csit-...@lists.fd.io; vpp-dev@lists.fd.io
> > > >  Subject: [FD.io Helpdesk #41921] connection interruptiones
> > > > between
> > > > jenkins executor and VIRL servers
> > > >
> > > > Jan:
> > > >
> > > > On  my side I currently don't see any connectivity problems
> > > > between jenkins and VIRL servers. Please let me know if you're
> > > > still having that issue. I'll keep an eye on that problem and if
> > > > it reapears I'll report that to our cloud provider to check
> > > > further.
> > > >
> > > > Thanks,
> > > > --
> > > > Anton Baranov
> > > > Systems and Network Administrator
> > > > The Linux Foundation
> > > >
> > > > On Wed Jun 14 08:12:45 2017, jgel...@cisco.com wrote:
> > > > > Dear  held...@fd.io<mailto:held...@fd.io>
> > > > >
> > > > > We are observing connection issues between Jenkins executors
> > > > > and
> > > > > VIRL servers that leads to failures of verify jobs
> > > > > (https://jenkins.fd.io/view/vpp/job/vpp-csit-verify-virl-
> > > > > master/
> > > > > ,
> > > > > https://jenkins.fd.io/view/csit/job/csit-vpp-functional-master-
> > > > > ubuntu1604-virl/, https://jenkins.fd.io/view/csit/job/csit-vpp-
> > > > > functional-master-centos7-virl/) because of ssh connection
> > > > > timeouts.
> > > > >
> > > > > Could you, please, have a look on it?
> > > > >
> > > > > Thank you very much.
> > > > >
> > > > > Regards,
> > > > > Jan
> > > >
> > > >
> > > >
> > >
> > >
> 
> 
> 


-- 
Anton Baranov
Systems and Network Administrator
The Linux Foundation
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  • [vpp-dev] connect... Jan Gelety -X (jgelety - PANTHEON TECHNOLOGIES at Cisco)
    • [vpp-dev] FW... Jan Gelety -X (jgelety - PANTHEON TECHNOLOGIES at Cisco)
    • [vpp-dev] [F... Anton Baranov via RT
      • Re: [vpp... Jan Gelety -X (jgelety - PANTHEON TECHNOLOGIES at Cisco)
        • Re: ... Jan Gelety -X via RT
        • [vpp... Vanessa Valderrama via RT
        • [vpp... Vanessa Valderrama via RT
        • Re: ... Jan Gelety -X (jgelety - PANTHEON TECHNOLOGIES at Cisco)
          • ... Jan Gelety -X via RT
          • ... Anton Baranov via RT
            • ... Jan Gelety -X (jgelety - PANTHEON TECHNOLOGIES at Cisco)
              • ... Jan Gelety -X via RT
                • ... Jan Gelety -X (jgelety - PANTHEON TECHNOLOGIES at Cisco)
                • ... Jan Gelety -X via RT
                • ... Jan Gelety -X via RT
                • ... Maciek Konstantynowicz via RT
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